535e6f5e9c
On fresh installs where the old wrong patch was never applied, Like was absent from the @fedify/fedify/vocab imports, causing a ReferenceError at startup. The dispatcher patch now adds Like to the import block if missing, making it self-contained and install-order independent. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
114 lines
3.7 KiB
JavaScript
114 lines
3.7 KiB
JavaScript
/**
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* Patch: register a Fedify Like activity dispatcher in federation-setup.js.
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*
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* Per ActivityPub §3.1, objects with an `id` MUST be dereferenceable at that
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* URI. The Like activities produced by jf2ToAS2Activity (after patch-ap-like-
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* activity-id.mjs adds an id) need a corresponding Fedify object dispatcher so
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* that fetching /activitypub/activities/like/{id} returns the Like activity.
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*
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* Fix:
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* Add federation.setObjectDispatcher(Like, ...) after the Article dispatcher
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* in setupObjectDispatchers(). The handler looks up the post, calls
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* jf2ToAS2Activity, and returns the Like if that's what was produced.
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*/
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import { access, readFile, writeFile } from "node:fs/promises";
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const candidates = [
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"node_modules/@rmdes/indiekit-endpoint-activitypub/lib/federation-setup.js",
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"node_modules/@indiekit/indiekit/node_modules/@rmdes/indiekit-endpoint-activitypub/lib/federation-setup.js",
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];
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const MARKER = "// ap-like-activity-dispatcher patch";
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const OLD_SNIPPET = ` // Article dispatcher
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federation.setObjectDispatcher(
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Article,
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\`\${mountPath}/objects/article/{+id}\`,
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async (ctx, { id }) => {
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const obj = await resolvePost(ctx, id);
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return obj instanceof Article ? obj : null;
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},
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);
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}`;
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const NEW_SNIPPET = ` // Article dispatcher
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federation.setObjectDispatcher(
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Article,
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\`\${mountPath}/objects/article/{+id}\`,
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async (ctx, { id }) => {
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const obj = await resolvePost(ctx, id);
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return obj instanceof Article ? obj : null;
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},
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);
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// Like activity dispatcher — makes AP-like activities dereferenceable (AP §3.1)
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// ap-like-activity-dispatcher patch
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federation.setObjectDispatcher(
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Like,
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\`\${mountPath}/activities/like/{+id}\`,
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async (ctx, { id }) => {
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if (!collections.posts || !publicationUrl) return null;
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const postUrl = \`\${publicationUrl.replace(/\\/$/, "")}/\${id}\`;
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const post = await collections.posts.findOne({
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"properties.url": { $in: [postUrl, postUrl + "/"] },
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});
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if (!post) return null;
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if (post?.properties?.["post-status"] === "draft") return null;
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if (post?.properties?.visibility === "unlisted") return null;
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if (post.properties?.deleted) return null;
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const actorUrl = ctx.getActorUri(handle).href;
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const activity = await jf2ToAS2Activity(post.properties, actorUrl, publicationUrl);
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return activity instanceof Like ? activity : null;
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},
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);
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}`;
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async function exists(filePath) {
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try {
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await access(filePath);
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return true;
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} catch {
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return false;
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}
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}
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let checked = 0;
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let patched = 0;
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for (const filePath of candidates) {
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if (!(await exists(filePath))) {
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continue;
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}
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checked += 1;
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let source = await readFile(filePath, "utf8");
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if (source.includes(MARKER)) {
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continue; // already patched
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}
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if (!source.includes(OLD_SNIPPET)) {
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console.log(`[postinstall] patch-ap-like-activity-dispatcher: snippet not found in ${filePath}`);
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continue;
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}
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// Ensure Like is imported from @fedify/fedify/vocab (may be absent on fresh installs)
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if (!source.includes(" Like,")) {
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source = source.replace(" Note,", " Like,\n Note,");
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}
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source = source.replace(OLD_SNIPPET, NEW_SNIPPET);
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await writeFile(filePath, source, "utf8");
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patched += 1;
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console.log(`[postinstall] Applied patch-ap-like-activity-dispatcher to ${filePath}`);
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}
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if (checked === 0) {
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console.log("[postinstall] patch-ap-like-activity-dispatcher: no target files found");
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} else if (patched === 0) {
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console.log("[postinstall] patch-ap-like-activity-dispatcher: already up to date");
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} else {
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console.log(`[postinstall] patch-ap-like-activity-dispatcher: patched ${patched}/${checked} file(s)`);
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}
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